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-rwxr-xr-xgen/string/wbrk272
1 files changed, 169 insertions, 103 deletions
diff --git a/gen/string/wbrk b/gen/string/wbrk
index 1966356..8016550 100755
--- a/gen/string/wbrk
+++ b/gen/string/wbrk
@@ -1,109 +1,175 @@
-#!/bin/sh
-
-set -e
-cd "${0%/*}/../.."
-exec >include/unicode/_wbrk.h
-
-gawk '
-BEGIN {
- FS = " *(; *|#.*)"
-
- map["ALetter"] = "LE"
- map["CR"] = "CR"
- map["Double_Quote"] = "DQ"
- map["E_Base"] = "EB"
- map["E_Base_GAZ"] = "EBG"
- map["E_Modifier"] = "EM"
- map["Extended_Pictographic"] = "EXTPICT"
- map["Extend"] = "EXTEND"
- map["ExtendNumLet"] = "EX"
- map["Format"] = "FO"
- map["Glue_After_Zwj"] = "GAZ"
- map["Hebrew_Letter"] = "HL"
- map["Katakana"] = "KA"
- map["LF"] = "LF"
- map["MidLetter"] = "ML"
- map["MidNumLet"] = "MB"
- map["MidNum"] = "MN"
- map["Newline"] = "NL"
- map["Numeric"] = "NU"
- map["Other"] = "XX"
- map["Regional_Indicator"] = "RI"
- map["Single_Quote"] = "SQ"
- map["WSegSpace"] = "WSEGSPACE"
- map["ZWJ"] = "ZWJ"
-
- print "/* This file is autogenerated by gen/string/wbrk; DO NOT EDIT. */"
- print ""
- print "#ifndef MLIB_UNICODE__WBRK_H"
- print "#define MLIB_UNICODE__WBRK_H"
- print ""
- print "#include <inttypes.h>"
- print ""
- print "#include \"rune.h\""
- print ""
- print "enum wbrk_prop : uint_least8_t {"
- print "\tWBRK_XX = 0, /* Other */"
- print "\tWBRK_CR, /* CR */"
- print "\tWBRK_DQ, /* Double Quote */"
- print "\tWBRK_EB, /* E Base */"
- print "\tWBRK_EBG, /* E Base GAZ */"
- print "\tWBRK_EM, /* E Modifier */"
- print "\tWBRK_EOT, /* End of Text */"
- print "\tWBRK_EX, /* ExtendNumLet */"
- print "\tWBRK_EXTEND, /* Extend */"
- print "\tWBRK_EXTPICT, /* Extended Pictographic */"
- print "\tWBRK_EXTPICT_LE, /* Extended Pictographic and ALetter */"
- print "\tWBRK_FO, /* Format */"
- print "\tWBRK_GAZ, /* Glue After Zwj */"
- print "\tWBRK_HL, /* Hebrew Letter */"
- print "\tWBRK_KA, /* Katakana */"
- print "\tWBRK_LE, /* ALetter */"
- print "\tWBRK_LF, /* LF */"
- print "\tWBRK_MB, /* MidNumLet */"
- print "\tWBRK_ML, /* MidLetter */"
- print "\tWBRK_MN, /* MidNum */"
- print "\tWBRK_NL, /* Newline */"
- print "\tWBRK_NU, /* Numeric */"
- print "\tWBRK_RI, /* Regional Indicator */"
- print "\tWBRK_SQ, /* Single Quote */"
- print "\tWBRK_WSEGSPACE, /* WSegSpace */"
- print "\tWBRK_ZWJ, /* ZWJ */"
- print "};"
- print ""
- print "const struct {"
- print "\trune lo, hi;"
- print "\tenum wbrk_prop val;"
- print "} wbrk_lookup[] = {"
-}
+#!/usr/bin/python3
+
+import math
-/^[A-F0-9]/ {
- if (map[$2] == "")
- next
+from lib import *
- n = split($1, a, /\.\./)
- lo = strtonum("0X" a[1])
- hi = strtonum("0X" a[n])
- for (i = lo; i <= hi; i++) {
- s = "WBRK_" map[$2]
- if (props[i] == "WBRK_LE" && s == "WBRK_EXTPICT")
- s = "WBRK_EXTPICT_LE"
- props[i] = s
- }
+MAP = {
+ 'ALetter': 'LE',
+ 'CR': 'CR',
+ 'Double_Quote': 'DQ',
+ 'E_Base': 'EB',
+ 'E_Base_GAZ': 'EBG',
+ 'E_Modifier': 'EM',
+ 'Extended_Pictographic': 'EXTPICT',
+ 'Extend': 'EXTEND',
+ 'ExtendNumLet': 'EX',
+ 'Format': 'FO',
+ 'Glue_After_Zwj': 'GAZ',
+ 'Hebrew_Letter': 'HL',
+ 'Katakana': 'KA',
+ 'LF': 'LF',
+ 'MidLetter': 'ML',
+ 'MidNumLet': 'MB',
+ 'MidNum': 'MN',
+ 'Newline': 'NL',
+ 'Numeric': 'NU',
+ 'Other': 'XX',
+ 'Regional_Indicator': 'RI',
+ 'Single_Quote': 'SQ',
+ 'WSegSpace': 'WSEGSPACE',
+ 'ZWJ': 'ZWJ',
}
-END {
- for (i = 0; i <= 0x10FFFF; i++) {
- if (!props[i])
+longest = -1
+
+def parse(*files: str) -> list[bool]:
+ global longest
+
+ xs = ['WBRK_XX'] * 0x110000
+
+ lines = []
+ for file in files:
+ with open(file, 'r') as f:
+ lines.extend(f.readlines())
+
+ for line in lines:
+ if len(line.strip()) == 0 or line[0] == '#':
continue
- for (lo = i; props[i] == props[i + 1]; i++)
- ;
- printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X), %s},\n", lo, i, props[i]
- }
-
- print "};"
- print ""
- print "#endif /* !MLIB_UNICODE__WBRK_H */"
-}
-' data/WordBreakProperty data/emoji-data | sed 's/\s*$//'
+
+ parts = line.split(';')
+ ranges = [int(x, 16) for x in parts[0].strip().split('..')]
+
+ try:
+ prop = 'WBRK_' + MAP[parts[1].split('#')[0].strip()]
+ except KeyError:
+ continue
+ longest = max(longest, len(prop))
+
+ for i in range(ranges[0], ranges[len(ranges) - 1] + 1):
+ xs[i] = prop
+ return list(map(str, xs))
+
+def genfile(cs: list[tuple[bool, ...]], blksize: int) -> None:
+ Cs = cs
+ cs = list(dict.fromkeys(Cs))
+
+ print('''\
+/* This file is autogenerated by gen/string/wbrk; DO NOT EDIT. */
+
+#ifndef MLIB_UNICODE__WBRK_H
+#define MLIB_UNICODE__WBRK_H
+
+#include <inttypes.h>
+
+#include "_attrs.h"
+#include "_rune.h"
+
+enum uprop_wbrk : uint_least8_t {
+ WBRK_XX = 0, /* Other */
+ WBRK_CR, /* CR */
+ WBRK_DQ, /* Double Quote */
+ WBRK_EB, /* E Base */
+ WBRK_EBG, /* E Base GAZ */
+ WBRK_EM, /* E Modifier */
+ WBRK_EOT, /* End of Text */
+ WBRK_EX, /* ExtendNumLet */
+ WBRK_EXTEND, /* Extend */
+ WBRK_EXTPICT, /* Extended Pictographic */
+ WBRK_EXTPICT_LE, /* Extended Pictographic and ALetter */
+ WBRK_FO, /* Format */
+ WBRK_GAZ, /* Glue After Zwj */
+ WBRK_HL, /* Hebrew Letter */
+ WBRK_KA, /* Katakana */
+ WBRK_LE, /* ALetter */
+ WBRK_LF, /* LF */
+ WBRK_MB, /* MidNumLet */
+ WBRK_ML, /* MidLetter */
+ WBRK_MN, /* MidNum */
+ WBRK_NL, /* Newline */
+ WBRK_NU, /* Numeric */
+ WBRK_RI, /* Regional Indicator */
+ WBRK_SQ, /* Single Quote */
+ WBRK_WSEGSPACE, /* WSegSpace */
+ WBRK_ZWJ, /* ZWJ */
+};
+''')
+
+ print(f'static constexpr {typename(len(cs) - 1)} stage1[] = {{')
+ for i, c in enumerate(Cs):
+ print(f'%c%{len(str(len(cs) - 1))}d,' % ('\t' if i % 16 == 0 else ' ', cs.index(c)), end='')
+ if i % 16 == 15:
+ print()
+ print('};')
+
+ print()
+
+ ppc = columns(blksize, longest + 1)
+ print(f'static constexpr enum uprop_wbrk stage2[][{blksize}] = {{')
+ for c in cs:
+ for i in range(blksize // ppc):
+ print('\t{' if i == 0 else '\t ', end='')
+ for j in range(ppc):
+ print(c[i*ppc + j], end='')
+ if i < blksize // ppc - 1 or j < ppc - 1:
+ print(',', end='')
+ if j < ppc - 1:
+ print(' ' * (longest + 1 - len(c[i*ppc + j])), end='')
+ if i < blksize // ppc - 1:
+ print()
+ print('},')
+ print('};')
+
+ print()
+
+ print(f'''\
+[[_mlib_pure, _mlib_inline]]
+static enum uprop_wbrk
+uprop_get_wbrk(rune ch)
+{{
+ return stage2[stage1[ch / {blksize}]][ch % {blksize}];
+}}
+
+#endif /* !MLIB_UNICODE__WBRK_H */''')
+
+def main() -> None:
+ cwd_init()
+ xs = parse('data/WordBreakProperty', 'data/emoji-data')
+
+ blksize = -1
+ smallest = math.inf
+
+ for bs in powers_of_2():
+ if bs > len(xs):
+ break
+ Cs = [tuple(x) for x in chunks(xs, bs)]
+ cs = set(Cs)
+
+ sz_s1 = len(Cs) * isize(len(cs) - 1)
+ sz_s2 = len(cs) * bs
+ sz = sz_s1 + sz_s2
+
+ if sz < smallest:
+ smallest = sz
+ blksize = bs
+
+ Cs = [tuple(x) for x in chunks(xs, blksize)]
+ with open('include/unicode/_wbrk.h', 'w') as f:
+ sys.stdout = f
+ genfile(Cs, blksize)
+
+ report_size(len(xs), smallest)
+
+if __name__ == '__main__':
+ main()